package com.lingkang.ztauthserver.config;

import com.lingkang.ztauthserver.config.auth.UserDetailsServiceImpl;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true, jsr250Enabled = true)
public class WebSecurityConfiguration extends WebSecurityConfigurerAdapter {

  @Bean
  public BCryptPasswordEncoder passwordEncoder() {
    // 设置默认的加密方式
    return new BCryptPasswordEncoder();
  }

  /**
   * 用于支持 password 模式
   */
  @Bean
  @Override
  public AuthenticationManager authenticationManagerBean() throws Exception {
    return super.authenticationManagerBean();
  }

  @Bean
  @Override
  public UserDetailsService userDetailsService() {
    return new UserDetailsServiceImpl();
  }

  @Override
  protected void configure(AuthenticationManagerBuilder auth) throws Exception {
    // 使用自定义认证与授权
    auth.userDetailsService(userDetailsService());
  }

  @Override
  protected void configure(HttpSecurity http) throws Exception {
    //关闭跨域认证
    http.csrf().disable();
    http.exceptionHandling()
        .and()
        .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS);
  }
}
